The boxes, which opened last week as part of an extensive renovation of the tower's observation deck, are among the most recent, and more outlandish, projects that use glass as load-bearing elements.

这些上周才作为高塔观景台的扩展翻修部分完工的玻璃盒子，是最新的、最奇特的使用玻璃作为承重部件的工程。